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Finding the Fourth Proportional to 466,368.10, 643,568.97 and 275,443.30

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Solution

The fourth proportional to 466,368.10, 643,568.97 and 275,443.30 is: 380,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,368.10 : 643,568.97 = 275,443.30 : x
  2. Step 2: Convert to fraction form
    466,368.10/643,568.97 = 275,443.30/x
  3. Step 3: Cross multiply
    466,368.10x = 643,568.97 × 275,443.30
  4. Step 4: Simplify right side
    466,368.10x = 177,266,760,874.40
  5. Step 5: Solve for x
    x = 177,266,760,874.40/466,368.10
  6. Step 6: Final answer
    x = 380,100.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.